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1SDA078002R1 ABB E4.2S-A 2500 Ekip Touch LSI 3-Pole Fixed Air Circuit Breaker
ABB 1SDA078002R1 is an Emax 2 E4.2S-A 2500 three-pole fixed air circuit breaker with a 2500 A rated continuous current, Ekip Touch LSI electronic protection and horizontal rear terminals for demanding low-voltage power distribution.
£8,581.10
Why Choose the ABB 1SDA078002R1 E4.2S-A 2500 Ekip Touch LSI 3p FHR Air Circuit Breaker?
The ABB 1SDA078002R1 is a high-performance SACE Emax 2 E4.2S-A 2500 air circuit breaker designed for demanding low-voltage power distribution applications. This fixed, three-pole breaker combines a 2500 A rated continuous current with the advanced Ekip Touch LSI electronic trip unit, providing configurable Long-time, Short-time and Instantaneous protection.
As part of the ABB SACE Emax 2 range, the E4.2S-A platform is engineered for reliable protection and switching in industrial switchboards, infrastructure and commercial power systems. The Ekip Touch protection unit provides an intuitive interface for configuring protection settings while supporting the measurement, monitoring and connectivity capabilities associated with ABB's advanced Emax 2 architecture.
The 1SDA078002R1 features a three-pole fixed configuration with horizontal rear terminals (F HR). Its E4.2S-A frame provides a 65 kA interruption rating at 508 V and a 65 kA short-time withstand rating, making this breaker suitable for installations requiring robust fault protection and dependable high-current distribution.
Key Advantages
- High-performance ABB SACE Emax 2 air circuit breaker for low-voltage power distribution.
- 2500 A rated continuous current for high-current electrical systems.
- Three-pole fixed construction for permanent switchboard installation.
- Advanced Ekip Touch LSI electronic trip unit for configurable circuit protection.
- LSI functionality provides Long-time, Short-time and Instantaneous protection.
- 65 kA interruption rating at 508 V for demanding fault conditions.
- 65 kA short-time withstand capability for robust system protection.
- Horizontal rear terminals support practical switchboard busbar connections.
Key Features
- ABB SACE Emax 2 E4.2S-A air circuit breaker platform.
- 2500 A rated continuous current.
- 3-pole configuration.
- Ekip Touch LSI electronic protection trip unit.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- 65 kA interruption rating at 508 V.
- 65 kA short-time withstand rating.
- Fixed installation with horizontal rear terminals.
- Supports the monitoring, measurement and connectivity architecture of the Emax 2 platform.
Advanced Protection for High-Current Power Distribution
Air circuit breakers such as the ABB Emax 2 E4.2S-A protect low-voltage electrical distribution systems against overload and short-circuit conditions while providing dependable switching of high-current circuits. The Ekip Touch LSI electronic trip unit monitors current and provides configurable Long-time, Short-time and Instantaneous protection to coordinate the breaker with downstream and upstream protective devices.
The fixed E4.2S-A configuration is designed for permanent integration into low-voltage switchboards. Horizontal rear terminals provide a practical arrangement for connection to switchboard busbars, while the wider Emax 2 platform supports advanced monitoring, communication and power-management functions for modern electrical distribution systems.
Typical Applications
- Industrial low-voltage switchboards and switchgear.
- Main incoming circuit protection.
- High-current power distribution systems.
- Manufacturing and process-industry electrical networks.
- Commercial building power distribution.
- Infrastructure and utility installations.
- Distribution systems requiring selective LSI protection.
- Power-management and electrical monitoring systems.
Technical Specifications
| Series | SACE Emax 2 |
|---|---|
| ABB order code | 1SDA078002R1 |
| Product type | Air circuit breaker |
| Rated continuous current | 2500 A |
| Number of poles | 3 |
| Trip unit | Ekip Touch LSI |
| Protection functions | LSI – Long-time, Short-time and Instantaneous |
| Interruption rating at 508 V | 65 kA |
| Short-time withstand rating | 65 kA |
| Installation type | Fixed |
| Main terminals | Horizontal rear terminals |
| Integrated earth-fault protection | No |
| Motor drive | Optional |
| Product group | Emax2 Air Circuit Breaker |
Frequently Asked Questions
What is the ABB 1SDA078002R1?
The ABB 1SDA078002R1 is an Emax 2 E4.2S-A 2500 three-pole fixed air circuit breaker equipped with an Ekip Touch LSI electronic trip unit and horizontal rear terminals.
What is the rated current of the ABB E4.2S-A 2500?
The 1SDA078002R1 has a 2500 A rated continuous current for high-current low-voltage power distribution applications.
What does LSI mean on the Ekip Touch trip unit?
LSI identifies Long-time, Short-time and Instantaneous protection functions, providing electronic protection against overload and short-circuit conditions.
Is the ABB 1SDA078002R1 a fixed or withdrawable circuit breaker?
This model is a fixed air circuit breaker designed for permanent installation within compatible low-voltage switchgear.
What type of terminals does the ABB 1SDA078002R1 use?
The breaker is supplied with horizontal rear terminals, represented by the F HR designation, for connection within the switchboard.
What is the interruption rating of the E4.2S-A 2500?
The E4.2S-A 2500 configuration has a 65 kA interruption rating at 508 V and a 65 kA short-time withstand rating.
Does the Ekip Touch LSI trip unit include ground-fault protection?
No. The LSI configuration provides Long-time, Short-time and Instantaneous protection; ground-fault protection is associated with LSIG configurations.
Trusted by Power Distribution Professionals Worldwide
ABB SACE Emax 2 air circuit breakers are engineered for demanding low-voltage power distribution applications, combining robust interruption performance, advanced electronic protection and flexible integration into modern industrial and commercial switchgear.
